hello i have a 1992 gmc 2500 4x4 pickup with a 350 my fuel pump went out and since it is a in line pump and were we were located we were not able to get this back in so we riged an external pump up, and the truck starts and will go in 1st gear but has no power, is there another filter i missed some were or what else could the problem be? thank you were really stumped.
maxine
Optional Information:
1992 GMC 2500 350
Already Tried:
new fuel pump
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